Night time construction activities will take place Thursday, July 21, causing lane closures and a detour on the Dulles Toll Road, Dulles International Airport Access Highway and Rudder Road.

Please stay alert, obey all signage and drive carefully. All work is weather dependent and subject to change.

In addition to the lane closures listed below, on Friday, July 22, between 1 a.m. and 4 a.m., 20 minute stoppages will occur at several locations at Dulles International Airport while heavy construction equipment is moved through the airport:

Saarinen Circle/eastbound DIAAH, just before the ramp to Aviation Drive